METHOD AND APPARATUS FOR PROTECTING CIRCUIT IN A WALKING ASSISTANCE APPARATUS

A method and apparatus for protecting a circuit are provided. The method and apparatus may measure a physical quantity of a motor by an external physical stimulus, may calculate the related counter electromotive voltage generated by the motor, based on the physical quantity, may compare the counter...

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Bibliographische Detailangaben
1. Verfasser:	ROH, Chang Hyun
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL RESPIRATION BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSESOR SPECIFIC PARTS OF THE BODY CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION HUMAN NECESSITIES HYGIENE MASSAGE MEDICAL OR VETERINARY SCIENCE PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING ORSTIMULATING REFLEX POINTS IN THE BODY
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Beschreibung
Zusammenfassung:	A method and apparatus for protecting a circuit are provided. The method and apparatus may measure a physical quantity of a motor by an external physical stimulus, may calculate the related counter electromotive voltage generated by the motor, based on the physical quantity, may compare the counter electromotive voltage to an output voltage, and may open a circuit connected to the motor to be open when the counter electromotive voltage is greater than the output voltage. The protection method and apparatus is applied to a walking assistance apparatus.